package com.baidu.day5;

public class Demo01 {
    public static void main(String[] args) {
        int i = 1;
        Integer a = 1;
        Double b = 1.0;
        Float c = 1.0f;

        System.out.println(i);
        System.out.println(a);
        System.out.println(b);
        System.out.println(c);

    }


}
